MergePublication-Klasse

Represents a merge publication.

Vererbungshierarchie

System.Object
  Microsoft.SqlServer.Replication.ReplicationObject
    Microsoft.SqlServer.Replication.Publication
      Microsoft.SqlServer.Replication.MergePublication

Namespace:  Microsoft.SqlServer.Replication
Assembly:  Microsoft.SqlServer.Rmo (in Microsoft.SqlServer.Rmo.dll)

Syntax

'Declaration
Public NotInheritable Class MergePublication _
    Inherits Publication
'Usage
Dim instance As MergePublication

public sealed class MergePublication : Publication

public ref class MergePublication sealed : public Publication

[<SealedAttribute>]
type MergePublication =  
    class 
        inherit Publication 
    end

public final class MergePublication extends Publication

Der MergePublication-Typ macht folgende Elemente verfügbar.

Konstruktoren

	Name	Beschreibung
	MergePublication()	Creates a new instance of the MergePublication class.
	MergePublication(String, String, ServerConnection)	Initializes a new instance of the MergePublication class with the specified name, database, and connection to the Publisher.
	MergePublication(String, String, ServerConnection, Boolean)	Creates an instance of the MergePublication class, specifying whether the Snapshot Agent job should be created by default.

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Eigenschaften

	Name	Beschreibung
	AltSnapshotFolder	Gets or sets the alternate snapshot file location for a publication. (Geerbt von Publication.)
	Attributes	Gets or sets the publication attributes. (Geerbt von Publication.)
	AutomaticReinitializationPolicy	Gets or sets whether changes at the Publisher are uploaded to the Publisher when a subscription is reinitialized because of a change in the publication.
	CachePropertyChanges	Gets or sets whether to cache changes made to the replication properties or to apply them immediately. (Geerbt von ReplicationObject.)
	CompatibilityLevel	Gets or sets the earliest version of Microsoft SQL Server that can subscribe to the merge publication. (Überschreibt Publication.CompatibilityLevel.)
	ConflictRetention	Gets or sets the number of days that conflict data rows are retained in conflict tables. (Geerbt von Publication.)
	ConnectionContext	Gets or sets the connection to an instance of Microsoft SQL Server. (Geerbt von ReplicationObject.)
	CreateSnapshotAgentByDefault	Gets or sets if the Snapshot Agent job is added automatically when the publication is created. (Geerbt von Publication.)
	DatabaseName	Gets or sets the name of the publication database. (Geerbt von Publication.)
	Description	Gets or sets a textual description of the publication. (Geerbt von Publication.)
	FtpAddress	Gets or sets the address of the File Transfer Protocol (FTP) server computer for publications that allow subscription initialization over FTP. (Geerbt von Publication.)
	FtpLogin	Gets or sets the login that is used to connect to the File Transfer Protocol (FTP) server for publications that allow subscription initialization over FTP. (Geerbt von Publication.)
	FtpPassword	Sets the password for the login that is used to connect to the File Transfer Protocol (FTP) server for publications that allow subscription initialization over FTP. (Geerbt von Publication.)
	FtpPort	Gets or sets the port of the File Transfer Protocol (FTP) server computer for publications that allow subscription initialization over FTP. (Geerbt von Publication.)
	FtpSubdirectory	Gets or sets the subdirectory on the File Transfer Protocol (FTP) server computer for publications that allow subscription initialization over FTP. (Geerbt von Publication.)
	HasSubscription	Gets whether the publication has one or more subscriptions. (Geerbt von Publication.)
	IsExistingObject	Gets whether the object exists on the server or not. (Geerbt von ReplicationObject.)
	MaxConcurrentDynamicSnapshots	Gets or sets the maximum number of concurrent Snapshot Agent sessions supported when generating data snapshots when the publication has a parameterized row filter.
	MaxConcurrentMerge	Gets or sets the maximum number of Merge Agents that can synchronize with the publication concurrently.
	MergeArticles	Gets the existing articles in the merge publication.
	MergeSubscriptions	Gets the subscriptions that belong to a merge publication.
	Name	Gets or sets the name of the publication. (Geerbt von Publication.)
	PartitionGroupsOption	Gets or sets whether precomputed partitions should be used to optimize the synchronization process.
	PostSnapshotScript	Gets or sets the name and full path of a Transact-SQL script file that is executed after the initial snapshot is applied to the Subscriber. (Geerbt von Publication.)
	PreSnapshotScript	Gets or sets the name and full path of a Transact-SQL script file that is executed before the initial snapshot is applied to the Subscriber. (Geerbt von Publication.)
	Priority	Infrastruktur Gets the priority of the publication.
	PubId	Gets the value that uniquely identifies the publication. (Geerbt von Publication.)
	ReplicateDdl	Gets or sets the data definition language (DDL) replication options that determine if DDL changes are replicated. (Geerbt von Publication.)
	RetentionPeriod	Gets or sets the amount of time before a subscription expires when the subscription is not synchronized with the publication. (Geerbt von Publication.)
	RetentionPeriodUnit	Gets or sets the unit in which the RetentionPeriodUnit property is expressed.
	SecureFtpPassword	Sets the password (as a SecureString object) for the login used to connect to the File Transfer Protocol (FTP) server for publications that allow subscription initialization over FTP. (Geerbt von Publication.)
	SnapshotAgentExists	Gets if the SQL Server Agent job exists to generate the initial snapshot for this publication. (Geerbt von Publication.)
	SnapshotAvailable	Gets or sets a value that indicates whether the snapshot files for this publication have been generated and are available to initialize Subscribers.
	SnapshotGenerationAgentProcessSecurity	Gets an object that sets the Windows account under which the Snapshot Agent job runs. (Geerbt von Publication.)
	SnapshotGenerationAgentPublisherSecurity	Gets the security context used by the Snapshot Agent to connect to the Publisher. (Geerbt von Publication.)
	SnapshotJobId	Gets the Snapshot Agent job ID for the current publication. (Geerbt von Publication.)
	SnapshotMethod	Gets or sets the data file format of the initial snapshot. (Geerbt von Publication.)
	SnapshotSchedule	Gets an object that sets the schedule for the Snapshot Agent for the current publication. (Geerbt von Publication.)
	SqlServerName	Gets the name of the Microsoft SQL Server instance to which this object is connected. (Geerbt von ReplicationObject.)
	Status	Gets or sets the status of the publication. (Geerbt von Publication.)
	Type	Gets or sets the type of publication. (Geerbt von Publication.)
	UserData	Gets or sets an object property that allows users to attach their own data to the object. (Geerbt von ReplicationObject.)
	UsesHostName	Gets a value that indicates whether the merge publication has a parameterized row filter that uses the HOST_NAME function to evaluate the partition.
	ValidateSubscriberInfo	Gets or sets the functions that are used to define a Subscriber partition of the published data when parameterized row filters are used.
	WebSynchronizationUrl	Gets or sets the URL used with Web synchronization.

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Methoden

	Name	Beschreibung
	AddMergeDynamicSnapshotJob	Adds a Snapshot Agent job that generates the filtered data partition for a Subscriber when a parameterized row filter is used.
	AddMergeDynamicSnapshotJobForLateBoundComClients	Enables late-bound COM clients to add a Snapshot Agent job that generates the filtered data partition for a Subscriber when a parameterized row filter is used.
	AddMergePartition	Defines a Subscriber partition for a merge publication with a parameterized row filter.
	BrowseSnapshotFolder	Returns the complete path of the directory location where snapshot files are generated.
	ChangeMergeDynamicSnapshotJobScheduleWithJobId	Modifies the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber, based on the job ID.
	ChangeMergeDynamicSnapshotJobScheduleWithJobIdForLateBoundComClients	Allows late-bound COM clients to modify the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber, based on the job ID.
	ChangeMergeDynamicSnapshotJobScheduleWithJobName	Modifies the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber, based on the job name.
	ChangeMergeDynamicSnapshotJobScheduleWithJobNameForLateBoundComClients	Allows late-bound COM clients to modify the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber, based on the job name.
	CommitPropertyChanges	Sends all the cached property change statements to the instance of Microsoft SQL Server. (Geerbt von ReplicationObject.)
	CopySnapshot	Copies the snapshot files for the merge publication from the snapshot folder to a destination folder.
	Create	Creates the publication. (Geerbt von Publication.)
	CreateSnapshotAgent	Creates the SQL Server Agent job that is used to generate the initial snapshot for the publication, if this job does not already exist. (Geerbt von Publication.)
	Decouple	Decouples the referenced replication object from the server. (Geerbt von ReplicationObject.)
	DisableSynchronizationPartner	Disables the specified synchronization partner for this merge publication.
	EnableSynchronizationPartner	Enables a specified synchronization partner for this merge publication.
	EnumAllMergeJoinFilters	Returns all the merge join filters defined on the merge publication.
	EnumArticles	Returns the articles in the publication. (Geerbt von Publication.)
	EnumMergeDynamicSnapshotJobs	Returns a list of merge dynamic snapshot jobs.
	EnumMergePartitions	Returns the Subscriber partitions defined for this merge publication.
	EnumPublicationAccesses	Returns logins that have access to the Publisher. (Geerbt von Publication.)
	EnumSubscriptions	Returns the subscriptions that subscribe to the publication. (Geerbt von Publication.)
	EnumSynchronizationPartners	Returns the alternate synchronization partners for this merge publication.
	Equals	(Geerbt von Object.)
	GenerateFilters	Infrastruktur Creates filters of the merge publication.
	GetHashCode	(Geerbt von Object.)
	GetMergeDynamicSnapshotJobScheduleWithJobId	Returns the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber based on the job ID.
	GetMergeDynamicSnapshotJobScheduleWithJobName	Returns the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber based on the job name.
	GetType	(Geerbt von Object.)
	GrantPublicationAccess	Adds the specified login to the publication access list (PAL). (Geerbt von Publication.)
	Load	Loads the properties of an existing object from the server. (Geerbt von ReplicationObject.)
	LoadProperties	Loads the properties of an existing object from the server. (Geerbt von ReplicationObject.)
	MakePullSubscriptionWellKnown	Registers a merge pull subscription at the Publisher.
	ReadLastValidationDateTimes	Returns information about the most recent subscription validation for a Subscriber.
	Refresh	Reloads the properties of the object. (Geerbt von ReplicationObject.)
	ReinitializeAllSubscriptions	Marks all the subscriptions for reinitialization.
	Remove()	Removes an existing publication. (Geerbt von Publication.)
	Remove(Boolean)	Removes an existing publication even if the Distributor cannot be accessed. (Geerbt von Publication.)
	RemoveMergeDynamicSnapshotJob	Removes the specified dynamic snapshot job from the merge publication.
	RemoveMergePartition	Removes an existing Subscriber partition defined on the merge publication.
	RemovePullSubscription	Removes the registration of a Subscriber with a pull subscription to the merge publication.
	ReplicateUserDefinedScript	Replicates the execution of a user-defined script to the Subscribers of a specified publication. (Geerbt von Publication.)
	ResynchronizeSubscription	Resynchronizes a merge subscription to a known validation state that you specify.
	RevokePublicationAccess	Removes the specified login from the publication access list (PAL). (Geerbt von Publication.)
	Script	Generates a Transact-SQL script that can be used to re-create the publication as specified by the script options. (Geerbt von Publication.)
	ScriptMergeDynamicSnapshotJob	Generates a Transact-SQL script that can be used to re-create the Snapshot Agent job that generates a Subscriber's partitioned data snapshot for publications with a parameterized row filter.
	ScriptMergePartition	Generates a Transact-SQL script that can be used to re-create a Subscriber partition for publications with a parameterized row filter.
	ScriptPublicationActivation	Generates a Transact-SQL script that, when run, sets the status of a merge publication to active.
	StartSnapshotGenerationAgentJob	Starts the job that generates the initial snapshot for the publication. (Geerbt von Publication.)
	StopSnapshotGenerationAgentJob	Attempts to stop a running Snapshot Agent job. (Geerbt von Publication.)
	ToString	(Geerbt von Object.)
	ValidatePublication	Marks all subscriptions for validation during the next synchronization.
	ValidateSubscription	Marks the specified subscription for validation during the next synchronization.

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Hinweise

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are safe for multithreaded operations. Any instance members are not guaranteed to be thread safe.

Beispiele

This example creates a merge publication.

           // Set the Publisher, publication database, and publication names.
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string publicationDbName = "AdventureWorks2012";

            ReplicationDatabase publicationDb;
            MergePublication publication;

            // Create a connection to the Publisher.
            ServerConnection conn = new ServerConnection(publisherName);

            try
            {
                // Connect to the Publisher.
                conn.Connect();

                // Enable the database for merge publication.               
                publicationDb = new ReplicationDatabase(publicationDbName, conn);
                if (publicationDb.LoadProperties())
                {
                    if (!publicationDb.EnabledMergePublishing)
                    {
                        publicationDb.EnabledMergePublishing = true;
                    }
                }
                else
                {
                    // Do something here if the database does not exist. 
                    throw new ApplicationException(String.Format(
                        "The {0} database does not exist on {1}.",
                        publicationDb, publisherName));
                }

                // Set the required properties for the merge publication.
                publication = new MergePublication();
                publication.ConnectionContext = conn;
                publication.Name = publicationName;
                publication.DatabaseName = publicationDbName;

                // Enable precomputed partitions.
                publication.PartitionGroupsOption = PartitionGroupsOption.True;

                // Specify the Windows account under which the Snapshot Agent job runs.
                // This account will be used for the local connection to the 
                // Distributor and all agent connections that use Windows Authentication.
                publication.SnapshotGenerationAgentProcessSecurity.Login = winLogin;
                publication.SnapshotGenerationAgentProcessSecurity.Password = winPassword;

                // Explicitly set the security mode for the Publisher connection
                // Windows Authentication (the default).
                publication.SnapshotGenerationAgentPublisherSecurity.WindowsAuthentication = true;

                // Enable Subscribers to request snapshot generation and filtering.
                publication.Attributes |= PublicationAttributes.AllowSubscriberInitiatedSnapshot;
                publication.Attributes |= PublicationAttributes.DynamicFilters;

                // Enable pull and push subscriptions.
                publication.Attributes |= PublicationAttributes.AllowPull;
                publication.Attributes |= PublicationAttributes.AllowPush;

                if (!publication.IsExistingObject)
                {
                    // Create the merge publication.
                    publication.Create();
                    
                    // Create a Snapshot Agent job for the publication.
                    publication.CreateSnapshotAgent();
                }
                else
                {
                    throw new ApplicationException(String.Format(
                        "The {0} publication already exists.", publicationName));
                }
            }

            catch (Exception ex)
            {
                // Implement custom application error handling here.
                throw new ApplicationException(String.Format(
                    "The publication {0} could not be created.", publicationName), ex);
            }
            finally
            {
                conn.Disconnect();
            }

' Set the Publisher, publication database, and publication names.
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2012"

Dim publicationDb As ReplicationDatabase
Dim publication As MergePublication

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Enable the database for merge publication.                
    publicationDb = New ReplicationDatabase(publicationDbName, conn)
    If publicationDb.LoadProperties() Then
        If Not publicationDb.EnabledMergePublishing Then
            publicationDb.EnabledMergePublishing = True
        End If
    Else
        ' Do something here if the database does not exist. 
        Throw New ApplicationException(String.Format( _
         "The {0} database does not exist on {1}.", _
         publicationDb, publisherName))
    End If

    ' Set the required properties for the merge publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' Enable precomputed partitions.
    publication.PartitionGroupsOption = PartitionGroupsOption.True

    ' Specify the Windows account under which the Snapshot Agent job runs.
    ' This account will be used for the local connection to the 
    ' Distributor and all agent connections that use Windows Authentication.
    publication.SnapshotGenerationAgentProcessSecurity.Login = winLogin
    publication.SnapshotGenerationAgentProcessSecurity.Password = winPassword

    ' Explicitly set the security mode for the Publisher connection
    ' Windows Authentication (the default).
    publication.SnapshotGenerationAgentPublisherSecurity.WindowsAuthentication = True

    ' Enable Subscribers to request snapshot generation and filtering.
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowSubscriberInitiatedSnapshot
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.DynamicFilters

    ' Enable pull and push subscriptions
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowPull
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowPush

    If Not publication.IsExistingObject Then
        ' Create the merge publication.
        publication.Create()

        ' Create a Snapshot Agent job for the publication.
        publication.CreateSnapshotAgent()
    Else
        Throw New ApplicationException(String.Format( _
            "The {0} publication already exists.", publicationName))
    End If
Catch ex As Exception
    ' Implement custom application error handling here.
    Throw New ApplicationException(String.Format( _
        "The publication {0} could not be created.", publicationName), ex)
Finally
    conn.Disconnect()
End Try

This example changes the properties of a merge publication.

         // Define the server, database, and publication names
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string publicationDbName = "AdventureWorks2012";

            MergePublication publication;

            // Create a connection to the Publisher.
            ServerConnection conn = new ServerConnection(publisherName);

            try
            {
                // Connect to the Publisher.
                conn.Connect();

                // Set the required properties for the publication.
                publication = new MergePublication();
                publication.ConnectionContext = conn;
                publication.Name = publicationName;
                publication.DatabaseName = publicationDbName;


                // If we can't get the properties for this merge publication, then throw an application exception.
                if (publication.LoadProperties())
                {
                    // If DDL replication is currently enabled, disable it.
                    if (publication.ReplicateDdl == DdlReplicationOptions.All)
                    {
                        publication.ReplicateDdl = DdlReplicationOptions.None;
                    }
                    else
                    {
                        publication.ReplicateDdl = DdlReplicationOptions.All;
                    }
                }
                else
                {
                    throw new ApplicationException(String.Format(
                        "Settings could not be retrieved for the publication. " +
                        "Ensure that the publication {0} exists on {1}.",
                        publicationName, publisherName));
                }
            }
            catch (Exception ex)
            {
                // Do error handling here.
                throw new ApplicationException(
                    "The publication property could not be changed.", ex);
            }
            finally
            {
                conn.Disconnect();
            }

' Define the server, database, and publication names
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2012"

Dim publication As MergePublication

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Set the required properties for the publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' If we can't get the properties for this merge publication, then throw an application exception.
    If publication.LoadProperties() Then
        ' If DDL replication is currently enabled, disable it.
        If publication.ReplicateDdl = DdlReplicationOptions.All Then
            publication.ReplicateDdl = DdlReplicationOptions.None
        Else
            publication.ReplicateDdl = DdlReplicationOptions.All
        End If
    Else
        Throw New ApplicationException(String.Format( _
         "Settings could not be retrieved for the publication. " + _
         "Ensure that the publication {0} exists on {1}.", _
         publicationName, publisherName))
    End If
Catch ex As Exception
    ' Do error handling here.
    Throw New ApplicationException( _
        "The publication property could not be changed.", ex)
Finally
    conn.Disconnect()
End Try

This example deletes a merge publication.

           // Define the Publisher, publication database, 
            // and publication names.
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string publicationDbName = "AdventureWorks2012";

            MergePublication publication;
            ReplicationDatabase publicationDb;

            // Create a connection to the Publisher.
            ServerConnection conn = new ServerConnection(publisherName);

            try
            {
                // Connect to the Publisher.
                conn.Connect();

                // Set the required properties for the merge publication.
                publication = new MergePublication();
                publication.ConnectionContext = conn;
                publication.Name = publicationName;
                publication.DatabaseName = publicationDbName;

                // Delete the publication, if it exists and has no subscriptions.
                if (publication.LoadProperties() && !publication.HasSubscription)
                {
                    publication.Remove();
                }
                else
                {
                    // Do something here if the publication does not exist
                    // or has subscriptions.
                    throw new ApplicationException(String.Format(
                        "The publication {0} could not be deleted. " +
                        "Ensure that the publication exists and that all " +
                        "subscriptions have been deleted.",
                        publicationName, publisherName));
                }

                // If no other merge publications exists,
                // disable publishing on the database.
                publicationDb = new ReplicationDatabase(publicationDbName, conn);
                if (publicationDb.LoadProperties())
                {
                    if (publicationDb.MergePublications.Count == 0 && publicationDb.EnabledMergePublishing)
                    {
                        publicationDb.EnabledMergePublishing = false;
                    }
                }
                else
                {
                    // Do something here if the database does not exist.
                    throw new ApplicationException(String.Format(
                        "The database {0} does not exist on {1}.",
                        publicationDbName, publisherName));
                }
            }
            catch (Exception ex)
            {
                // Implement application error handling here.
                throw new ApplicationException(String.Format(
                    "The publication {0} could not be deleted.",
                    publicationName), ex);
            }
            finally
            {
                conn.Disconnect();
            }

' Define the Publisher, publication database, 
' and publication names.
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2012"

Dim publication As MergePublication
Dim publicationDb As ReplicationDatabase

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Set the required properties for the merge publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' Delete the publication, if it exists and has no subscriptions.
    If (publication.LoadProperties() And Not publication.HasSubscription) Then
        publication.Remove()
    Else
        ' Do something here if the publication does not exist
        ' or has subscriptions.
        Throw New ApplicationException(String.Format( _
         "The publication {0} could not be deleted. " + _
         "Ensure that the publication exists and that all " + _
         "subscriptions have been deleted.", _
         publicationName, publisherName))
    End If

    ' If no other merge publications exists,
    ' disable publishing on the database.
    publicationDb = New ReplicationDatabase(publicationDbName, conn)
    If publicationDb.LoadProperties() Then
        If publicationDb.MergePublications.Count = 0 _
        And publicationDb.EnabledMergePublishing Then
            publicationDb.EnabledMergePublishing = False
        End If
    Else
        ' Do something here if the database does not exist.
        Throw New ApplicationException(String.Format( _
         "The database {0} does not exist on {1}.", _
         publicationDbName, publisherName))
    End If
Catch ex As Exception
    ' Implement application error handling here.
    Throw New ApplicationException(String.Format( _
     "The publication {0} could not be deleted.", _
     publicationName), ex)
Finally
    conn.Disconnect()
End Try

Threadsicherheit

Alle öffentlichen static (Shared in Visual Basic)-Elemente dieses Typs sind Threadsicher. Für Instanzelemente wird die Threadsicherheit nicht gewährleistet.

Siehe auch

Verweis

Microsoft.SqlServer.Replication-Namespace

Andere Ressourcen

Vorgehensweise: Erstellen einer Veröffentlichung (RMO-Programmierung)

Vorgehensweise: Anzeigen und Ändern von Veröffentlichungseigenschaften (RMO-Programmierung)